refactor: Improve exists check in JpaQueryExecution

minwoo1999 · minwoo1999 · commit 77b89f7aa105 · 2024-12-13T22:21:43.000+09:00
by using getResultStream and findFirst
diff --git a/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpaQueryExecution.java b/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpaQueryExecution.java
@@ -313,7 +313,10 @@ static class ExistsExecution extends JpaQueryExecution {
 
 		@Override
 		protected Object doExecute(AbstractJpaQuery query, JpaParametersParameterAccessor accessor) {
-			return !query.createQuery(accessor).getResultList().isEmpty();
+			return query.createQuery(accessor)
+					.getResultStream()
+					.findFirst()
+					.isPresent();
 		}
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -313,7 +313,10 @@ static class ExistsExecution extends JpaQueryExecution {`
`313`	`313`
`314`	`314`	`@Override`
`315`	`315`	`protected Object doExecute(AbstractJpaQuery query, JpaParametersParameterAccessor accessor) {`
`316`		`- return !query.createQuery(accessor).getResultList().isEmpty();`
	`316`	`+ return query.createQuery(accessor)`
	`317`	`+ .getResultStream()`
	`318`	`+ .findFirst()`
	`319`	`+ .isPresent();`
`317`	`320`	`}`
`318`	`321`	`}`
`319`	`322`